Louisa County Demographics

A map of Louisa County's Population by Race

Louisa County, Iowa had a population of 10,837 in 2020. It was 78.3% White, 0.7% Black, 2.4% Asian, 15.9% Hispanic, 0.2% Native American/Other, and 2.4% Multiracial. This map presents the population of Louisa County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Louisa County is the 67th most populous county of the 99 counties in Iowa.

Louisa County's White Population

8,485 residents of Louisa County identify as White, or 78.3%. This makes the White share of the population of Louisa County roughly similar to the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Louisa County is ranked #87 in terms of White residents as a share of the population.

Louisa County is more White than neighboring Muscatine County (75.5% White). Louisa County is less White than neighboring Des Moines County (84.2% White), Henry County (86.1% White), Washington County (88.4% White), and Mercer County (92.9% White).

Louisa County's Black Population

73 residents of Louisa County identify as Black, or 0.7%. This makes the Black share of the population of Louisa County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Louisa County is ranked #53 in terms of Black residents as a share of the population.

Louisa County is more Black than neighboring Mercer County (0.4% Black). Louisa County is less Black than neighboring Muscatine County (2.5% Black), Des Moines County (6.4% Black), Henry County (2.4% Black), and Washington County (0.8% Black).

Louisa County's Asian Population

265 residents of Louisa County identify as Asian, or 2.4%. This makes the Asian share of the population of Louisa County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Louisa County is ranked #11 in terms of Asian residents as a share of the population.

Louisa County is more Asian than neighboring Muscatine County (0.9% Asian), Des Moines County (1% Asian), Henry County (2.2% Asian), Washington County (0.5% Asian), and Mercer County (0.2% Asian).

Louisa County's Hispanic Population

1,728 residents of Louisa County identify as Hispanic, or 15.9%. This makes the Hispanic share of the population of Louisa County slightly larger than the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Louisa County is ranked #8 in terms of Hispanic residents as a share of the population.

Louisa County is more Hispanic than neighboring Des Moines County (3.2% Hispanic), Henry County (5.3% Hispanic), Washington County (7.1% Hispanic), and Mercer County (3% Hispanic). Louisa County is less Hispanic than neighboring Muscatine County (18% Hispanic).

Louisa County's Native American/Other Population

25 residents of Louisa County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.2%. This makes the Native American/Other share of the population of Louisa County roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 99 counties in Iowa, Louisa County is ranked #87 in terms of Native American/Other residents as a share of the population.

Louisa County is less Native American/Other than neighboring Muscatine County (0.4% Native American/Other), Des Moines County (0.6% Native American/Other), Henry County (0.7% Native American/Other), Washington County (0.5% Native American/Other), and Mercer County (0.3% Native American/Other).

Louisa County's Multiracial Population

261 residents of Louisa County identify as Multiracial, or 2.4%. This makes the Multiracial share of the population of Louisa County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Louisa County is ranked #57 in terms of Multiracial residents as a share of the population.

Louisa County is less Multiracial than neighboring Muscatine County (2.7% Multiracial), Des Moines County (4.6% Multiracial), Henry County (3.2% Multiracial), Washington County (2.7% Multiracial), and Mercer County (3.2% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.